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Contractor 48
Information Technology Unknown Status London Borough Of Barnet

48 jobs found in London Borough of Barnet

CL
Apr 01, 2026  
Lead UI Developer
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: Lead UI Developer / React Contract: Initial 12-Month Contract with potential to extend. Location: London Rate: £800 inside umbrella What You'll Do: As the Lead UI Developer, you will spearhead the development of our flagship Triforce Credit Project. You will be responsible for designing and implementing cutting-edge user interfaces that cater to front office e-trading applications. Your expertise will ensure that our software is not only highly functional but also delivers an exceptional user experience. Key Responsibilities: Lead the development of front office...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 01, 2026  
Fullstack Engineer
Full‑Stack Engineer (FX Trading Applications) Location: London (onsite 3 days per week) Day Rate: £700 (via Umbrella Company) Contract: Fixed Term Contract until 31 December 2026 About the Role Are you ready to dive into the dynamic world of FX Trading technology? Our client is seeking a talented Full‑Stack Engineer with strong Java expertise and a passion for solving complex technical challenges. You'll play a key role in building mission‑critical components that power high‑performance trading systems-working closely with cross‑functional teams in a fast‑paced, agile environment. Key Responsibilities Engineering & Development Design and develop backend and frontend features for FX Trading applications. Write well‑designed, testable, and efficient code across the full stack. Build automated test suites (unit, integration, contract, UI/API, performance). Define metrics and implement automated evaluation and drift detection for AI‑related components. Reduce technical...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 01, 2026  
Programme Manager / Project Manager
Location: UK Wide (Hybrid - Travel to Core Sites) Sector: Transformation & PMO The Role We are looking for an experienced Programme Manager to deliver complex, cross-functional projects. You will oversee end-to-end delivery, ensuring projects remain on time, within budget, and aligned with high-quality standards. Key Responsibilities Deliver end-to-end programmes and lead smaller projects independently. Manage risks, dependencies, finances, and change controls proactively. Influence senior stakeholders and provide reporting for executive decision-making. Champion PMO best practices and Agile/LEAN methodologies. Mentor and support junior PM professionals to drive team maturity. Requirements Experience: Proven track record in end-to-end project/programme delivery. Skills: Strong risk management, financial tracking, and governance. Methodologies: Familiarity with Agile, LEAN, or Six Sigma. Communication: Ability to manage senior/executive-level stakeholders....
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 01, 2026  
Technical Support Specialist
Start: ASAP End: 30 December 2026 Location: Farringdon, London Part time - 3 days a week - Tuesday, Wednesday & Thursday - Onsite  We’re partnering with a global leader in professional information, analytics, and technology solutions to recruit an experienced Technical Support Specialist for a long-term contract. This organisation operates in more than 150 countries and is widely recognised for its innovative use of AI and advanced technologies to support professional services. You’ll be joining a close-knit European support team (split between the UK and France) that sits within a wider global infrastructure function of over 300 people. The culture is friendly, collaborative, and inclusive somewhere you’ll be supported, trusted, and encouraged to contribute your ideas. The Role This is a hands-on technical support position providing both in-person and remote support to users across the business. You’ll be responsible for troubleshooting laptops, operating systems,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 31, 2026  
Security Architect
Summer-Browning Associates is currently supporting our central government client, who is seeking a Security Architect. This position is for an initial 12-month contract assignment, with the possibility of extension. Location: London The ideal candidate will hold an active security clearance and have a strong background in Security Architecture, along with the following skills and experience: A solid understanding of High-Level Security Architecture (HLD) and a secure-by-design approach. Experience leading security architecture for large-scale cloud hosting (specifically Azure and GCP) in high-threat government Tier 2 secure environments. Extensive knowledge of security architecture, including identity management, device security, workstation protection, cloud hosting, collaboration tools, networking, cryptography, operations, and data governance. Strong understanding of secure DevOps practices, CI/CD controls, and Infrastructure as Code (IaC) hardening. Experience applying...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 31, 2026  
Enterprise Architect
Summer-Browning Associates is currently supporting our central government client, who is seeking an Enterprise Architect. This position is for an initial 12-month contract assignment, with the possibility of extension. Location: London The ideal candidate will hold an active security clearance and have a strong background in Enterprise Architecture, along with the following skills and experience: Extensive experience in developing Enterprise Architectural strategies, leading design authorities, and implementing architectural governance. Proven track record in leading enterprise architecture for large-scale cloud hosting, specifically in Azure and GCP, within high-security government Tier 2 environments. In-depth knowledge of cloud architecture, including IAM, identity federation, cryptography, network segmentation, and high-assurance gateways. Proven ability to lead enterprise design across all domains, including Data, Digital, Security, and Technical areas. Proficiency in...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 29, 2026  
Housing Systems PM
Housing Systems Project Manager (NEC Housing) London Borough | Contract | Competitive Day Rate A progressive London Borough is seeking an experienced Housing Systems Project Manager to lead the delivery and enhancement of its NEC Housing Management System. This contract role sits at the heart of the council's digital housing transformation, improving services and outcomes for residents. Role Overview You'll manage end‑to‑end delivery of housing system projects-focusing on NEC Housing upgrades, integrations, and process improvements. Working with internal teams, suppliers, and senior stakeholders, you'll ensure projects are delivered on time, within scope, and aligned with strategic objectives. Key Responsibilities Lead planning, delivery, and implementation of NEC Housing system projects Manage project plans, budgets, risks, and reporting Coordinate with suppliers, technical teams, and housing services Oversee testing, data migration, and quality assurance Ensure...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 29, 2026  
Financial Controls and Compliance Specialist
Financial Controls and Compliance Specialist – London – Hybrid Job description BDO Regulatory Solutions are currently recruiting for a Financial Controls and Compliance Specialist to join our client, based in London. We are offering an initial 9–12 month contract starting ASAP with an excellent day rate, employed via an Umbrella company. About the role: The Financial Controls and Compliance Specialist will be positioned to the client, supporting global and local compliance requirements for internal controls over financial reporting (ICFR). Key responsibilities include: Work with Businesses/Function Leads, the client’s global compliance function and control owners in implementing financial reporting control standards Deliver training to Businesses/Function stakeholders on financial reporting control standards Support deployment of controls as required by Group Financial Risk and Compliance teams, ensuring controls adhere to Group requirements Using your knowledge of...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 29, 2026  
AI Engineer
Job Title: AI Engineer / Data & AI Scientist (LLM, Generative AI, Python) We are recruiting for an AI Engineer / Data & AI Scientist to join a high-impact programme building next-generation conversational AI and generative AI platforms. This role focuses on developing production-grade LLM applications, agent-based AI systems and RAG pipelines used in large-scale customer-facing environments. This is an opportunity to work on advanced AI assistant and conversational AI technology, building scalable multi-agent architectures and generative search systems using modern AI frameworks. Key Responsibilities * Design and build LLM-powered applications using Python and Generative AI frameworks * Develop RAG (Retrieval Augmented Generation) pipelines and AI orchestration workflows * Build and deploy agent-based AI systems using tools such as LangGraph, CrewAI or similar frameworks * Engineer scalable AI infrastructure across Azure and GCP environments * Implement...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 28, 2026  
Developer Experience (DevEx) Engineer
Developer Experience (DevEx) Engineer Location: London Contract Type: 12 months About the Role Guidant Global is supporting our client in hiring a Developer Experience (DevEx) Engineer to enhance the productivity, satisfaction and efficiency of engineering teams. This role focuses on improving tooling, workflows, documentation and internal platforms to ensure developers can build, test and deliver software quickly, reliably and with minimal friction. You'll be at the heart of engineering excellence - streamlining processes, advocating best practices, and championing a developer‑first mindset across technical teams. Key Responsibilities Design and build internal tools, libraries and services that improve developer workflows Optimise CI/CD pipelines for speed, reliability and developer efficiency Collaborate with engineering teams to identify pain points and automate repetitive tasks Maintain and improve developer documentation, onboarding guides and internal wikis Promote...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 28, 2026  
Kubernetes Platform Engineer
Kubernetes Platform Engineer Location: London Contract Type: 12 Months About the Role Guidant Global is supporting our client in hiring a highly skilled Kubernetes Platform Engineer to design, deploy and optimise scalable, resilient Kubernetes‑based solutions across modern cloud environments. This is an exciting, hands‑on engineering role where you'll collaborate with DevOps, software development and security teams to ensure seamless deployment, management and monitoring of containerised applications. If you're passionate about cloud‑native engineering, automation and modern infrastructure design, this is an opportunity to make a major impact. Key Responsibilities Design, implement and maintain Kubernetes clusters in cloud environments Develop and automate CI/CD pipelines to streamline application delivery Monitor, analyse and optimise cluster performance, reliability, scalability and security Create and maintain Helm charts and Kubernetes manifests Implement service mesh...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 27, 2026  
Senior Environmental Scientist - (Contaminated Land)
Dedicated to sustainable development, Arup is a collective of designers, consultants and experts working globally. At Arup you will have the opportunity to collaborate on ambitious projects - delivering remarkable outcomes for clients and communities, and to do socially useful work that has meaning. Arup's purpose, shared values and collaborative approach has set it apart for over 75 years, and now is your opportunity to join. Job description - the role AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Arup to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary professionals, fostering workplaces where everyone can contribute and succeed. On Behalf of Arup, we are...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 27, 2026  
Full Stack Developer
Full Stack Developer (GCP / Java / Python) – Contract – Hybrid Location: London Working Pattern: Hybrid (2–3 days onsite) Employment Type: Contract Role Overview We are looking for an experienced Full Stack Developer to join a platform engineering team delivering modern cloud-native applications. The role involves developing scalable solutions while supporting the transition of legacy monolithic systems to API-driven microservices architectures. You will work closely with engineering and DevOps teams to design, build, and deploy secure applications within a GCP-based cloud environment. Key Responsibilities * Design and develop scalable full stack applications * Build and integrate REST APIs and microservices * Work within Google Cloud Platform (GCP) environments * Support CI/CD pipelines and modern DevOps practices * Contribute to modernising monolithic systems into microservices architectures * Participate in code reviews...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 27, 2026  
Cybersecurity Consultant
Job Description: Cybersecurity Consultant (Cloud, Data, AI & Microsoft Security) Department: Information Security - (Data & AI team) Duration: Duration 4 months Location: London (Hybrid) Role Overview We are looking for a highly skilled Cybersecurity Consultant with strong expertise across Microsoft Security, Cloud Security, Data Protection, and emerging AI/LLM security and governance. The role focuses on identifying security gaps, defining secure-by-design patterns, supporting product and platform teams, and strengthening enterprise security posture-particularly across Microsoft 365, Azure, data platforms, and AI-enabled solutions. You will play a key role in threat modelling, risk assessments, guardrail design & implementation, and delivering practical security guidance for engineering, data, and application/product teams. Rationale/deliverables: Contribute to the Operating Securely program by providing information security advice and support to product and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Project Manager Global Web Activations
Job Title: Project Manager - Global Web Activations Contract: 3 Months Location: London (3 days onsite X2 days remote) Function: Digital Commerce - Delivery Overview We are seeking an experienced Digital Project Manager to lead global web activation and platform migration initiatives within a fast-paced digital commerce environment. This role sits within the Digital Commerce Delivery Team and will focus on managing the migration from legacy platforms to DXC, alongside future activation programmes (DC2 → DX) across multiple international markets. You will take end-to-end ownership of delivery, working across distributed production teams and engaging multiple global stakeholders to ensure successful go-live and hypercare support. Key Responsibilities Lead end-to-end delivery of global web activation and platform migration projects Manage scope, timelines, capacity planning, and sprint delivery cycles Coordinate technical integration activities across digital platforms...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 26, 2026  
Desktop Support Analyst
Job Title: Desktop Support Analyst 📝 Contract Type: Fixed Term Contract, 12 months 💰 Salary: Up to £29,000 🎁 Benefits: Private Medical, Pension, 25 days annual leave, Gym Membership, Cycle to Work Scheme, Employee Assistance Programme 🏢 Office Location/Working Policy: Onsite 🕔 Working Hours: Shift Pattern between 8am and 6pm 🕵🏻 What to wear: Smart casual The Role: As a Deskside Support Analyst, you will be part of the Service Operations team, providing face-to-face and on-site technical support to end users. You will act as a key point of contact for resolving hardware, software, and access-related issues, ensuring a high-quality user experience in a fast-paced, security-conscious environment. This role requires strong technical capability, excellent interpersonal skills, and a proactive, customer-focused approach to problem resolution, operating in line with ITIL best practices. Role Responsibilities: • Provide deskside and on-site technical support to users, resolving...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 25, 2026  
Information Security Technical Assurance Lead
Job Title: Cyber Security Assurance Specialist (Application Security) Client: Urenco Rate: £700 per day Location: Hybrid – Minimum 2 days per week in Paddington, London Clearance: Active SC Clearance required About the Client Urenco is a world leader in the enrichment of uranium for use in the civil nuclear industry. Operating across the United Kingdom, United States, Netherlands, and Germany, Urenco plays a critical role in enabling the safe, sustainable use of nuclear technology worldwide. The Group CISO function is responsible for continuously developing and enhancing Urenco’s cyber security portfolio to protect the organisation, its customers, and the public. The CISO team is structured across three core areas: Governance, Risk & Compliance (GRC) Operational Technology (OT) Cyber & Cyber Assurance Threat Defence This opportunity sits within the Cyber Assurance Team, reporting directly to the Head of Cyber Security Assurance. Role Overview We are seeking an...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Feb 06, 2026  
Senior Backend Engineer
Senior Backend Engineer (Platform & Cloud) Location: London (Hybrid) Contract: 6–12 months Rate: Negotiable (DOE) We’re working with a global enterprise organisation that is expanding a centralised engineering function supporting multiple product teams across an international portfolio. They’re looking for a Senior Backend Engineer to join a core platform team responsible for building shared services, libraries, and cloud-based functionality used across a wide range of internal products. This is a highly collaborative role, working directly with senior engineers and technical leaders across multiple time zones, helping shape the foundations of how teams build, scale, and reuse backend capability. The Role You’ll be part of a central engineering group building common functionality for distributed product teams. Early work will focus on: Abstracting existing codebases into shared Python libraries Developing data-driven solutions using PySpark and DataFrames Building and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Feb 05, 2026  
Integration Architect
Integration Solution Architect Certain Advantage are hiring for an Integration Solution Architect based in London on a hybrid basis. This role is on an initial 12-month contract and will be required to be onsite 3 days a week and 2 days remote. The role: Translating architectural guidelines and standards into practical solutions, addressing common technical challenges and providing actionable technical recommendations that positively impact business performance. Driving the identification, development, and adoption of new technologies and opportunities to optimise IT systems and platforms. Contributing to the training, coaching, and guidance of other professionals within the architecture and engineering community. Acting as a subject matter expert, representing the organisation with suppliers, customers, and external partners as required. Making solution decisions within established architectural guidelines, escalating deviations (“step-outs”) where necessary. Applying TOE...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Dec 26, 2025  
QA Lead
QA Lead – End-to-End & Automation Certain Advantage are hiring for a QA Lead – (End-to-End Automation) based in London. This role is on an initial 12-month contract and will be required to be onsite 3 days a week and 2 days remote. We are seeking a highly experienced QA Lead to take ownership of end-to-end testing across a dynamic portfolio of programs. This is a leadership role requiring strong technical expertise, strategic thinking, and the ability to guide a high-performing team toward delivering top-quality testing outcomes. Key Responsibilities Own end-to-end testing deliverables across the portfolio, ensuring high-quality outcomes and effective demand management. Build and maintain a strong QA team by identifying and onboarding capable talent. Ensure business continuity and consistently deliver top-tier testing coverage for all programs. Lead a team of 10–12 QA professionals, managing goals, performance appraisals, and development plans aligned to their career...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
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